package Homeworks.HOMEWORK0307.BookManagement;

import java.util.Scanner;

public class BooksTest {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int choose=sc.nextInt();
        while (true) {
            switch (choose=1) {//添加书

            }
            switch (choose=2) {//查询书

            }
            switch (choose=3){//更新书

            }
            switch (choose=4){//删除书

            }
            switch (choose=5){//退出

            }
        }
    }



}
